22431112210242 has 12 divisors (see below), whose sum is σ = 48600743122230. Its totient is φ = 7477037403408.

The previous prime is 22431112210219. The next prime is 22431112210277. The reversal of 22431112210242 is 24201221113422.

22431112210242 is a `hidden beast` number, since 2 + 2 + 431 + 1 + 1 + 221 + 0 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22021705467441 + 409406742801 = 4692729^2 + 639849^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623086450267 + ... + 623086450302.

Almost surely, 2^{22431112210242} is an apocalyptic number.

22431112210242 is an abundant number, since it is smaller than the sum of its proper divisors (26169630911988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431112210242 is a wasteful number, since it uses less digits than its factorization.

22431112210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246172900577 (or 1246172900574 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 22431112210242 its reverse (24201221113422), we get a palindrome (46632333323664).

The spelling of 22431112210242 in words is "twenty-two trillion, four hundred thirty-one billion, one hundred twelve million, two hundred ten thousand, two hundred forty-two".